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Intel Core i7-4790K (Devil's Canyon) Review

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Harlequin 19th June 2014, 09:48 Quote
I disagree with your AMD figures - my own kit gets 100 points better in cinebench R15 @ 4.7ghz and is right on the tail of the 4770K in both.

http://imageshack.com/a/img819/154/q1ar.jpg

http://forums.bit-tech.net/picture.php?albumid=2611&pictureid=39115
Corky42 19th June 2014, 10:01 Quote
Quote:
Originally Posted by Harlequin
I disagree with your AMD figures - my own kit gets 100 points better in cinebench R15 @ 4.7ghz and is right on the tail of the 4770K in both.

Maybe my eye site if failing me, but i don't see an AMD FX-9590 in the results.
Harlequin 19th June 2014, 10:03 Quote
no but they have an 8350 @ 4.8ghz - my own 9590 is 4.7ghz and 100 points higher
Corky42 19th June 2014, 10:08 Quote
In R15 they only show results for the 8350 @ 4GHz
Your screen shot shows the 9590 @ 5.06GHz

Or am i having a dumb moment here
Combatus 19th June 2014, 10:20 Quote
Quote:
Originally Posted by Corky42
In R15 they only show results for the 8350 @ 4GHz
Your screen shot shows the 9590 @ 5.06GHz

Or am i having a dumb moment hear

I think there may have been some confusion caused by the fact we listed the overclocked frequencies from our original reviews of the CPUs in the graph too by mistake. We've only tested a select few CPUs at overclocked settings - the rest including the AMD CPU score are from stock speed. I've amended the graph now.

RE: other AMD CPUs, we're working more closely with AMD about getting hold of their top end chips but when we asked them a year ago for the AMD FX-9590 we were told they weren't sampling them. It's as simple as that.
Harlequin 19th June 2014, 10:22 Quote
you can borrow mine if you like ;)
damien c 19th June 2014, 10:24 Quote
Seems these chips going by the results from a few sites, don't overclock as high and require higher voltages than the 4770k cpus but give better temps.
Spraduke 19th June 2014, 10:28 Quote
Will still stick with my 2500K at 4ghz with no voltage tweaks. Haven't felt the need to push it any further for gaming at least. Probably different if you're into rendering etc.
Combatus 19th June 2014, 10:31 Quote
Quote:
Originally Posted by Harlequin
you can borrow mine if you like ;)

:D Seeing as we usually get comments asking for this I'll drop them a line and see if their tune has changed!
Combatus 19th June 2014, 10:32 Quote
Quote:
Originally Posted by damien c
Seems these chips going by the results from a few sites, don't overclock as high and require higher voltages than the 4770k cpus but give better temps.

That's pretty much it. It was quite a bit cooler tbh, and I'm working on getting some water-cooled results as well. But yes, most people I've spoken to from colleagues on other sites to motherboard PRs are hitting a wall at 4.8 with decent air coolers/AIO liquid coolers.
andrew8200m 19th June 2014, 10:37 Quote
Not sure this has the desired gains over my 4770k but its certainly a fast chip at stock! I wonder if deliding to get temps down is on the cards with these chips? Either way, its not a bad chip and certainly not as hot as the previous cpu if 85c is all you saw. Good :)
edzieba 19th June 2014, 11:09 Quote
It's a nice boost over the 2500k, but not nice enough to justify both a new processor AND a new motherboard. I can wait for Broadwell.
rollo 19th June 2014, 11:09 Quote
Can't say I'm shocked by its performance but if I'd of brought a 4770k I'd be not wanting to upgrade. How well it compares to other chips is nigh
supermuchurios 19th June 2014, 11:33 Quote
Quote:
Originally Posted by Corky42


Or am i having a dumb moment *hear*
SchizoFrog 19th June 2014, 12:34 Quote
Would I be correct in thinking that unless you need the extra cores for whatever reason and if you are mainly gaming then this is not worth the extra money over the i5-4670K/4690K chips?
Panos 19th June 2014, 12:37 Quote
I have an 4820K @ 5Ghz. Doubt I will need an upgrade for another 5-6 years. More likely I will replace 2-3 graphic cards until then.
Kovoet 19th June 2014, 13:03 Quote
Only I went from a 2700 to a 4770 so I could keep up with my favourite motherboard the maximus formula
Chicken76 19th June 2014, 13:13 Quote
Why did they release this chip now? Broadwell was supposed to be launched in about 6 months. Are there further delays to Broadwell that haven't been announced yet?
SchizoFrog 19th June 2014, 13:50 Quote
As well as my question above, can I ask Bit-Tech if you have an i5-4690K in for review?
Arboreal 19th June 2014, 15:00 Quote
Quote:
Originally Posted by SchizoFrog
As well as my question above, can I ask Bit-Tech if you have an i5-4690K in for review?

Last paragraph of the review has this to say:
"Overall then, it's a solid if not spectacular entrance for the Core i7-4790K, although we'll have our eyes firmly on the Internet to see how the general masses fare with retail samples when it comes to overclocking. We'll be back soon with a review of the multiplier-unlocked Pentium, as well as the Core i5-4690K as soon as our sample arrives."

Looks like they're on the case ;)

As you also asked, be interesting to see how the i5 and i7 stack up, both out of my budget just now.
t5kcannon 19th June 2014, 15:40 Quote
A good review of the 4790K.

Will be interesting to read the review of the 4690K. My budget is not exceptional, so I'm hoping that cpu will deliver a fair upgrade over my 2500K.
maverik-sg1 19th June 2014, 16:08 Quote
Unfortunate that you have only an ES to work with, other ES's appear to be the same as your's or worse - I would like to see results from people with retail units to test.

It's not essential, but I am tempted to buy one as my next upgrade will likely require DDR4 RAM, new mobo, new cooling block to go with the Broadwell CPU.

Like someone else said earlier in this thread - the reality is that we will upgrade our GPU's 3-5times before we need to upgrade CPU's again.
Hustler 19th June 2014, 19:29 Quote
Smart thing to do, if you need a new CPU, is get a non K 4790, then move up to a Broadwell K overclocker next year, as I find it hard to believe that a 14nm die shrink won't be finally able to do 5Ghz on air.
SchizoFrog 19th June 2014, 19:49 Quote
Considering that in gaming the 4690K is only just off the 4790K at stock speeds and that I can hardly believe that 200Mhz makes THAT much difference, I am thinking of getting the non-K 4590 for £140. But final decisions will be made when higher end Maxwell GPUs turn up... But that's another story.
Redbeaver 19th June 2014, 20:37 Quote
Sooooo bottomline is, if my 4670K that I just bought 2 weeks ago can be auto-clock to 4.2ghz with ASUS Z97 auto-tuning, I shouldn't worry about this article at all?
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